Patents by Inventor Martin Schwert

Martin Schwert has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cutting appliances for use in tunnel driving operations
    Patent number: 4556256
    Abstract: In a tunnel driving apparatus, and particularly such apparatus where a work face is supported by fluid, a cutting appliance is employed which is composed of a swinging arm carrying a cutter head. The arm can range over the face to detach material therefrom with the cutter head. Means for driving the cutter head is accommodated entirely within the arm itself and a conduit or the like extends through the arm and serves optionally to remove debris by suction or to convey pressure fluid to the face to assist the cutter head.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: December 3, 1985
    Assignee: Gewerkschaft Eisenhutte Westfalia
    Inventors: Hans G. Follert, Herbert Rzepka, Martin Schwert
  • Apparatus for removing anode residue from anodes of electrolytic melt baths
    Patent number: 4217197
    Abstract: Apparatus for removing anode residue from the metallic projections of an anode used with an electrolytic melt comprising stripper jaws engageable about the projections and movable to and fro along the projections to break-off the anode residue thereon. In case of breakage of any of the projections, the stripper jaws carry sensors, conveniently inductive sensors, which provide a control signal should damage occur to the projections.
    Type: Grant
    Filed: July 18, 1979
    Date of Patent: August 12, 1980
    Assignee: Gewerkschaft Eisenhutte Westfalia
    Inventors: Klaus Harder, Martin Schwert